The price of the tennis racket was estimated to be 200 dollars. However, the actual prin of the tennis racket was 400 dollars What is the percent error?

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

Percent increase and decrease. original number: 45 new number: 18

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.